# 50A21 SPK ROLLER A - MROSupply.com

***50A21 A-Plate Roller Chain Sprocket***



## Product details:

- Catalog number: 50A21
- SKU: 262478
- Price: ***$32.37*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Type A Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-a-plain-bore-sprockets/)
    - [Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 1.120 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Material: Steel
  

  
- Number Of Teeth: 21
  

  
- Outside Dia: 4.522"
  

  
- Pitch: 0.625 in.
  

## Suggested products:
- [50A12 A-Plate Roller Chain Sprocket](https://www.mrosupply.com/products/262469/as-markdown/)
- [50A112 A-Plate Roller Chain Sprocket](https://www.mrosupply.com/products/262468/as-markdown/)
- [50A15 A-Plate Roller Chain Sprocket](https://www.mrosupply.com/products/262472/as-markdown/)
- [50A13 A-Plate Roller Chain Sprocket](https://www.mrosupply.com/products/262470/as-markdown/)
- [HKK RC050R1A 50 RIV 10FT CHAIN 5/8" pitch riveted (price per foot)](https://www.mrosupply.com/products/2265642/as-markdown/)

## Product's reviews:
- Martin flex sleeve - Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!
- Nice sprocket - sprocket is very nice.
- Service - qUICK SERVICE ON THIS ORDER
- Flexible coupler - Very fast and reliable shipping.